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2026-08-14 - 00:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Aug 13, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20341213669,8sleep30-21swapper/307:07:413
20175212866,7sleep10-21swapper/107:05:321
204892109100,6sleep20-21swapper/207:09:382
20174210999,7sleep00-21swapper/007:05:300
96222720,1sleep09627-21switchtime09:55:230
278062650,0sleep20-21swapper/209:35:222
241962640,1sleep224201-21gltestperf09:05:132
326702630,1sleep332672-21kthreadcore12:25:183
237572590,0sleep010-21rcuc/010:02:040
219382590,0sleep20-21swapper/212:06:512
118612590,0sleep30-21swapper/312:16:213
97902580,0sleep00-21swapper/011:34:450
306652570,0sleep20-21swapper/209:24:252
51292560,1sleep1211ktimersoftd/111:31:011
162082550,0sleep10-21swapper/112:05:181
109272550,0sleep30-21swapper/312:02:153
220922540,0sleep20-21swapper/212:35:192
1852424845,2sleep30-21swapper/307:34:333
1736524844,3sleep30-21swapper/308:58:023
1010824844,3sleep30-21swapper/308:24:163
236172390,0sleep123622-21kthreadcore11:40:181
311623734,2sleep30-21swapper/307:48:183
2706823734,2sleep30-21swapper/308:39:173
1554423733,3sleep30-21swapper/308:26:553
1535323631,2sleep30-21swapper/311:08:413
3275023531,3sleep30-21swapper/308:41:013
2068699320,30cyclictest0-21swapper/011:25:230
2068699320,30cyclictest0-21swapper/011:25:230
2036123128,2sleep30-21swapper/308:05:053
2069099281,26cyclictest0-21swapper/110:01:281
2069099280,27cyclictest0-21swapper/112:26:311
2069099280,27cyclictest0-21swapper/109:09:541
2069099280,27cyclictest0-21swapper/107:10:081
20686992812,15cyclictest0-21swapper/010:45:110
1428522822,3sleep30-21swapper/307:57:113
252522721,3sleep30-21swapper/309:10:453
2069599270,26cyclictest0-21swapper/212:11:092
20690992723,3cyclictest0-21swapper/110:19:161
2069099270,26cyclictest0-21swapper/111:14:211
2069099270,26cyclictest0-21swapper/110:09:161
2069099270,26cyclictest0-21swapper/109:03:591
2069099270,26cyclictest0-21swapper/108:48:181
2069099270,26cyclictest0-21swapper/108:12:211
2069099270,26cyclictest0-21swapper/107:21:261
135622723,3sleep30-21swapper/307:16:563
2651622621,2sleep30-21swapper/312:37:053
2069599260,25cyclictest0-21swapper/212:27:102
20690992622,3cyclictest0-21swapper/110:27:231
2069099260,25cyclictest0-21swapper/111:45:061
2069099260,25cyclictest0-21swapper/109:51:001
2069099260,25cyclictest0-21swapper/107:50:531
2005722623,2sleep30-21swapper/308:04:043
453922521,3sleep30-21swapper/308:19:593
453922521,3sleep30-21swapper/308:19:583
2069599250,24cyclictest0-21swapper/210:50:232
20690992522,2cyclictest0-21swapper/108:26:261
20690992511,13cyclictest0-21swapper/112:18:281
2069099250,24cyclictest0-21swapper/109:40:331
1180422522,2sleep30-21swapper/308:53:433
2069599240,23cyclictest0-21swapper/211:33:272
20690992421,2cyclictest0-21swapper/112:37:011
20690992415,8cyclictest0-21swapper/112:11:381
2069099240,23cyclictest0-21swapper/112:01:281
2069099240,23cyclictest0-21swapper/111:50:271
2069099240,23cyclictest0-21swapper/111:09:451
2069099240,23cyclictest0-21swapper/111:01:211
2069099240,23cyclictest0-21swapper/110:21:531
2069099240,23cyclictest0-21swapper/109:39:031
2069099240,23cyclictest0-21swapper/109:20:191
2069099240,21cyclictest0-21swapper/111:28:451
2069099240,21cyclictest0-21swapper/111:28:441
2069099240,18cyclictest0-21swapper/110:51:111
2069099240,18cyclictest0-21swapper/110:36:251
20686992416,7cyclictest0-21swapper/012:01:260
20686992415,8cyclictest0-21swapper/011:47:220
2068699240,23cyclictest0-21swapper/011:53:520
2068699240,23cyclictest0-21swapper/010:58:050
1287922421,2sleep30-21swapper/307:29:293
308932230,20sleep00-21swapper/009:50:300
2069599232,20cyclictest0-21swapper/210:47:532
2069599232,20cyclictest0-21swapper/209:19:212
20695992319,3cyclictest0-21swapper/207:10:412
20695992319,2cyclictest23221-21munin-run10:45:002
20695992314,7cyclictest0-21swapper/209:55:222
2069599231,21cyclictest0-21swapper/210:20:072
2069599231,21cyclictest0-21swapper/207:37:242
2069599230,22cyclictest0-21swapper/212:31:202
2069599230,22cyclictest0-21swapper/212:21:042
2069599230,22cyclictest0-21swapper/211:25:232
2069599230,22cyclictest0-21swapper/211:25:232
2069599230,22cyclictest0-21swapper/211:10:532
2069599230,22cyclictest0-21swapper/210:11:192
2069599230,22cyclictest0-21swapper/210:07:052
2069599230,22cyclictest0-21swapper/209:42:332
2069599230,17cyclictest0-21swapper/209:51:482
20690992314,8cyclictest0-21swapper/111:37:111
2069099230,22cyclictest0-21swapper/111:59:001
2069099230,22cyclictest0-21swapper/111:20:501
2069099230,22cyclictest0-21swapper/110:55:201
2069099230,22cyclictest0-21swapper/110:42:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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